If the ice of greenland

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If the ice of greenland

by neer.king » Fri Aug 03, 2012 2:58 am
If the ice of Greenland and Antarctica were to melt, the sea level would rise at least 100 feet or more.

A: If the ice of Greenland and Antarctica were to melt, the sea level would rise at least 100 feet or more.

B: Were the ice of Greenland and Antarctica to melt, the sea level would rise at least 100 feet.

C: Was the ice of Greenland and Antarctic to melt, the sea level would rise at least 100 feet or more.

D: If the ice of Greenland and Antarctica was melting, the sea level would rise at least 100 feet.

E: Should the ice of Greenland and Antarctica melt, the sea level would rise at least 100 feet or more.

please explain.[/u]
Source: — Sentence Correction |

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by Kasia@EconomistGMAT » Fri Aug 03, 2012 3:57 am
Answers A, C and E can be rejected because they are redundant. They state "the sea level would rise AT LEAST 100 feet OR MORE." The two phrases include the same information.
Answer D changes the original meaning because of the change in tense.
The correct answer is B.
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